Here is the full list of all 50 Bayonetta achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Discover all Alfheim portals.
Discover all of the Umbra Witches' final resting places.
Counter three enemy attacks consecutively with the Moon of Mahaa-Kalaa equipped.
Counter 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Avert 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.
Destroy all the tentacles that drop down together during in single sequence in Chapter 9.
Execute 20 Wicked Weave attacks while using Dodge Offset.
Complete half of all Alfheim portals.
Purchase all techniques.
Taunt and defeat five plus angered enemies while taking no damage. Gaze of Despair may be equipped.
While never setting foot on the ground, grab enemies 10 times using Kulshedra.
Kill an enemy by jumping on top of them.
Kill 20 enemies using only Iai-Jutsu with Shuraba. (Iai-Jutsu performed by holding the Y button.)
Freeze 20 enemies while wearing Odette.
Complete all Chapters on any difficulty.
Complete Chapters 14 through the Epilogue on Normal difficulty.
Complete all Chapters on Normal difficulty.
Defeat Father Balder on any difficulty.
Collect all of Antonio's Notes.
Defeat Sapientia on any difficulty.
Complete Chapters 12 and 13 on Normal difficulty.
Defeat Iustitia on any difficulty.
Complete Chapters 8 through 11 on Normal difficulty.
Execute 50 Torture Attacks.
Execute a Wicked Weave attack while using Dodge Offset.
Discover half of all the Umbra Witches' final resting places.
Defeat Temperantia on any difficulty.
Complete Chapters 5 through 7 on Normal difficulty.
Create 20 Concoctions.
Purchase three new techniques.
Defend Cereza during the out of body experience, ensuring she takes no damage.
Earn 10 Platinum Medals. Must be earned in 10 different battles.
Defeat Fortitudo on any difficulty.
Complete Chapters 1 through 4 on Normal difficulty.
Obtain three complete Angelic Hymn Gold LPs.
Engage Witch Time successfully 10 times consecutively.
Dodge the runaway streetcar during Chapter 2.
Complete the Vestibule.
Execute a Torture Attack.
Engage Witch Time successfully 10 times.
Complete Chapters 1 through 4 on Hard difficulty.
Complete Chapters 5 through 7 on Hard difficulty.
Complete Chapters 8 through 11 on Hard difficulty.
Complete Chapters 12 and 13 on Hard difficulty.
Complete Chapters 14 through the Epilogue on Hard difficulty.
Complete all Chapters on Hard difficulty.
Complete all Chapters on ∞ Climax difficulty.
Obtain seven complete Angelic Hymn Gold LPs.
Complete all Alfheim portals.
Earn Platinum Medals during Verse 1 and Verse 2 of Chapter 14.